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List of 13-letter words containing

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There are 13 thirteen-letter words containing E, 2H, N, 2O and Y

ANTHROPOPHYTEanthropophyte n. (Ecology) A plant introduced into a new habitat by humans.
ANTHROPOPHYTE n. a plant introduced incidentally in the course of cultivation.
CHRONOTHERAPYchronotherapy n. Any therapy based on the circadian rhythm or other cyclical schedule.
CHRONOTHERAPY n. a treatment that work in harmony with the body's natural time rhythms.
HELMINTHOLOGYhelminthology n. (Zoology) The branch of zoology related to the study of helminths (parasitic worms).
HELMINTHOLOGY n. the study of parasitic worms.
HONEYMONTHINGHONEYMONTH v. (obsolete) to spend one's honeymoon, also HONEYMOON.
HYPOMENORRHEAhypomenorrhea n. The condition of menstrual blood flow that is extremely light.
HYPOMENORRHEA n. the condition in which the interval between two menstrual periods is increased to between 35 and 42 days, also HYPOMENORRHOEA.
HYPOTHECATIONhypothecation n. The use of property, or an existing mortgage, as security for a loan, etc.
hypothecation n. (Britain) A tax levied for a specific expenditure.
HYPOTHECATION n. the act of taking a mortgage.
ONYCHOPHAGIESONYCHOPHAGY n. the habit of biting one's fingernails.
ORTHOHYDROGENorthohydrogen n. (Physics) form of the hydrogen molecule (H2) in which the two nuclei have parallel spin; about 75% of…
ORTHOHYDROGEN n. the form of molecular hydrogen, constituting about 75 per cent of the total at normal temperatures, in which the nuclei of the atoms spin in the same direction.
PHOTOSYNTHATEphotosynthate n. (Biochemistry) Any compound that is a product of photosynthesis.
PHOTOSYNTHATE n. a product of photosynthesis.
PHYTOHORMONESphytohormones n. Plural of phytohormone.
PHYTOHORMONE n. a plant hormone, regulating growth.
PHYTOPATHOGENphytopathogen n. (Biology) Any organism that is pathogenic to plants.
PHYTOPATHOGEN n. an organism parasitic on a plant host.
RHYNCHOPHORESRHYNCHOPHORE n. a member of the Rhyncophora, weevils.
SPHYGMOPHONESsphygmophones n. Plural of sphygmophone.
SPHYGMOPHONE n. an instrument for hearing the pulse.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 56 words
  • Scrabble in French: 8 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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